Ankylosing spondylitis (AS) is a chronic systemic and inflammatory rheumatic disease with a variable course of the axial skeleton. Spinal involvement may accompany ossification of the ligaments, intervertebral disc, end-plates and apophyseal structures, and seems to be "bamboo spine". Because of these natures of the spine in AS, a spinal fracture can be occurred with minor trauma or spontaneous...

When the hip does not move, spine labors double. For example, limited extension results in lumbar hyperextension and an increase spinal facet joint loading due to premature coupling. Patients who undergo surgery show significant improvement concomitant lower back problems, symptomatic low pain resolves approximately 80% of patients after total arthroplasty. impairment range motion (limitation o...

Congenital dislocation of the knee (CDK), is commonly referred with a variety of names, mainly genum recurvatum of knee, backward bending of the knee, hyperextension of the knee, dislocation of the knee, and recently as developmental dysplasia and dislocation of the knees. Whichever name is used, the typical clinical features in an infant are an abnormal anterior hyperextensive position of eith...

The most severe signs of neosporosis in dogs occur in congenitally infected puppies, with ascending paralysis of the limbs and rigid hyperextension, which can lead to progressive paralysis and death. Difficulty to swallow, accompanied by paralysis of jaw, muscular stiffness, and atrophy and cardiac failure can also be observed. Moreover, the disease can be shown in the generalized form. Severe ...

INFARCTION IN THE VERTEBRO-BASILAR artery distribution has been noted in a variety of circumstances associated with head turning and hyperextension of the neck, but the interval between the trauma and the cerebrovascular stroke is usually short. This paper describes a patient who developed a cerebellar infarction five weeks following a car accident, an unusually long delay which deserves mentio...